By creckk On 20-09-2025 at 5:52 am
Car Modifications in India | Complete Guide to Legal vs Illegal Mods 2025
Buying Your First Car? What You Need to Know About Car Modifications in India
Buying your first car? Whether brand new or second-hand, it’s always special. But soon enough, you’ll want it to match your taste. That’s when car modifications enter the picture. But hold up before you rush to a workshop, you need to know what’s legal and what’s not in India. In this blog, we’ll break it all down in a clear, energetic way so you can style your car without landing in trouble.
Are Modified Cars Illegal in India According to Supreme Court?
In January 2019, the Supreme Court of India ruled that no motor vehicle can be modified in a way that changes its structural features or manufacturer data. This means chassis, body structure, and engine swaps outside specifications are illegal. Any extreme modifications may result in fines or even registration cancellation.
List of Illegal Car Modifications in India 2025
Here’s a quick look at what’s not allowed in India under current law:
| Modification | Why It’s Illegal |
|---|---|
| Extra-wide tyres | If they extend beyond the car body, it’s banned. |
| Loud horns | Horns above 100 decibels aren’t allowed to reduce noise pollution. |
| Alloy protrusion | Wheels where the alloy lip extends past tyre edge are illegal. |
| Length/width changes | Stretching cars into limos/SUV lookalikes is banned. |
| Engine swaps | Upgrading to bigger, non-approved engines is prohibited. |
| Aftermarket tinted windows | Any aftermarket tint film is banned (only factory glass with VLT specs allowed). |
List of Legal Car Modifications in India 2025
Not everything is banned! Here’s what’s safe and legal if you follow rules:
| Legal Modification | Details |
|---|---|
| Engine swaps (with approval) | Allowed with prior permission from RTO. |
| Tyre upgrades | Permitted within manufacturer’s offered specs. |
| Minor fitments | Door guards, decals, rain guards – totally legal. |
| Car colour change | Allowed but must update RTO & RC. Army green banned. |
| Fuel type change | Fitting CNG/LPG kits is legal with paperwork. |
| Suspension upgrade | Performance suspension allowed if clearance is safe. |
| Headlight & taillight upgrades | LED inserts, DRLs, auxiliary lamps are permitted. |
Is Vinyl Wrapping Legal in India in 2025?
Vinyl wrapping is a grey area. The Supreme Court ruling did not mention wraps directly. If the wrap doesn’t alter the colour registered with the RTO, it’s considered legal. However, if you wrap in a completely different colour, you should inform the RTO. Military/camouflage wraps are not allowed.
Conclusion: Legal Car Customization Keeps Style & Safety Balanced
The Supreme Court and Government of India want road safety and environmental responsibility. Illegal mods like loud exhausts or extreme engine swaps can land you in trouble. But legal mods like tyres, lights, wraps, and suspension still give you plenty of room to personalize your ride.
FAQs
Which car is best to modify in India in 2025?
Popular choices include the Volkswagen Polo, Hyundai i20, Maruti Baleno, and Swift. They offer strong aftermarket support and are mod-friendly within legal limits.
Is car wrapping legal in India in 2025?
Yes, temporary vinyl wraps are legal. Permanent colour changes need RTO approval. Camouflage/military wraps are banned.
Is turbo legal in India?
No, aftermarket turbos are illegal for private cars. Only factory-fitted turbo engines (like Skoda/Volkswagen) are allowed. Fines can go up to ₹5,000.
How to get permission from RTO for exhaust?
Aftermarket exhausts are banned under noise laws. Hypothetically, one needs pollution board clearance, RTO submission, and dB testing but in practice, approval is near impossible.
Which modifications are legal in India for cars?
Tyre upgrades, colour change (with approval), CNG kits, suspension upgrades, minor fitments, vinyl wraps, and LED lights are legal. Structural mods are not.
Is changing car colour legal in India?
Yes, but you must notify RTO within 14 days using Form 33 and pay ₹600. Army green is reserved for the military only.
Is tuning a car illegal in India?
Tuning is legal if it doesn’t violate emissions/safety rules. ECU remaps may need ARAI/RTO approval. Illegal if performance mods affect roadworthiness.
How much window tint is legal in India?
Factory glass only: front/rear windshield must allow 70% visibility, side windows 50%. Aftermarket dark films are banned.
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